James Monroe is the fifth president of the United States. 詹姆斯·门罗是美国第五任总统。

　　He was not one of the founding fathers because he was young when America fought against Britain. 他不是开国元勋之一，因为美国与英国作战时他还小。

　　But as the president, he contributed a lot to strengthen the United States. 但作为总统，他为增强美国实力做了很多。

　　The greatest thing he did was called the Monroe Doctrine. 他所做的最大贡献被称为门罗主义。

　　At that time, European countries wanted to control the United States, 当时，欧洲国家想要控制美国，

　　even though the United States was independent from Britain. 尽管美国从英国独立了出来。

　　Through the Monroe doctrine, president Monroe declared that the United States was independent from any other country. 在门罗主义的指导下，门罗总统宣布美国独立于其他任何国家。